Spiral Staircase Code Dimensions
These specifications show standard stair dimensions for.
Spiral staircase code dimensions. This page covers all of the important staircase measurements and a mistake to watch out for. Spiral staircases have to be at least 26 wide with each tread being at least 75 deep when youre 12 in from the narrow end. 900mm on spiral and 1100mm for external balustrade. Spiral stair building code compliance.
The walkline is located 50cm 20 from the outer handrail. Staircase dimensions are an important part of staircase safety. If you have more questions about spiral staircase measurements and dimensions give one of our consultative designers a call. Building officials code administrators.
Stairway shall be shipped in a complete single unit. Spiral staircase dimensions design standards. The walkline is located 23 of the way along the stair width measured towards the inner handrail method 4. Spiral staircase code overview.
Critical measurements such as standard stairway width riser height and tread depth are not a matter of guesswork when you are remodeling or building a homestaircase measurements are determined by common practice and by building code which itself is often informed by generally approved practicesthese rules are aimed at making staircases as safe as possible so they should never be ignored. Three generations of experience allows reliability and on time delivery of an outstanding product. These are the rules from the 2006 international residential code. Start designing your spiral staircase today.
The most common specifications result in spirals with the following dimensionsrequirements. Spiral stairs are a unique product that can be customized to meet all of your design specifications. If your stair does not have to be built to code specifications we offer a full line of standard stairs built with 225 and 27 degree treads. No gaps greater than 99mm.
Furnish spiral stairway as manufactured by stairways inc 4166 pinemont houston texas 77018 1 800 231 0793. Loading calculations kilo newtons number of treads x 02 15 for landing plate. The walkine is located 50 cm 20 from the inner handrail or in the centre if the stair width is less than 1m 40. The california code of regulations for commercial buildings for example allows spiral staircases to be used as an exit if the minimum tread width is at least 10 inches and if the inner radius of.
The walkline is located half way along the stair width method 3. Spiral staircases may be an option for your residential applications where you cant fit a conventional staircase.